Home / 8,103,515.28-11,171,907.45-5,197,861.68

Finding the Fourth Proportional to 8,103,515.28, 11,171,907.45 and 5,197,861.68

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Solution

The fourth proportional to 8,103,515.28, 11,171,907.45 and 5,197,861.68 is: 7,166,029.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,103,515.28 : 11,171,907.45 = 5,197,861.68 : x
  2. Step 2: Convert to fraction form
    8,103,515.28/11,171,907.45 = 5,197,861.68/x
  3. Step 3: Cross multiply
    8,103,515.28x = 11,171,907.45 × 5,197,861.68
  4. Step 4: Simplify right side
    8,103,515.28x = 58,070,029,626,861.51
  5. Step 5: Solve for x
    x = 58,070,029,626,861.51/8,103,515.28
  6. Step 6: Final answer
    x = 7,166,029.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.